Comparison · Batteries

HJ802540 or Uniden BP-38/BP-40 radio batteries

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Test current: HJ802540 (10 A vs. 0.5); Resistance: HJ802540 (21 mΩ vs. 148).

Model	HJ8025402020Read review →	Uniden BP-38/BP-40 radio batteries2018Read review →
Test current, A	10	0.5
Resistance, mΩ	21	148
Review conclusion	Recommended	With reservations

Only in one review: Voltage 4.8 V (Uniden BP-38/BP-40 radio batteries); Capacity 246 mAh (Uniden BP-38/BP-40 radio batteries); Capacity at high current 680 mAh (HJ802540); Temperature rise 62 °C (HJ802540); Price 80 $ (Uniden BP-38/BP-40 radio batteries).

HJ802540: The cell delivered up to 10 A, and its capacity exceeded the rated figure.

Uniden BP-38/BP-40 radio batteries: Working batteries measured about 500 mAh instead of the rated 700; one of the 24 was defective.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.